TV Test Transmitter ¸SFM
5
Setting range for ¸SFM parameters
Parameter
Setting range
Step width
RF upconverter
Output frequency
range
5 MHz to 1000 MHz
1 kHz or
1 Hz
RF level (absolute level), ref. to 50 W
Low noise mode
+10 dBm to –99 dBm
0.1 dB
117 dBmV to 8 dBmV
0.1 dB
707.1 mV to 0 mV
0.1 dB
Normal mode
+6 dBm to –99 dBm
0.1 dB
113 dBmV to 8 dBmV
0.1 dB
446.2 mV to 0 mV
0.1 dB
Low distortion
0 dBm to –99 dBm
0.1 dB
mode
107 dBmV to 8 dBmV
0.1 dB
223.6 mV to 0 mV
0.1 dB
RF level (non-interrupting),
referred to absolute
level
0 dB to –14 dB
0.1 dB
IF input frequency
range
32 MHz to 46 MHz
1 kHz or
1 Hz
IF input level (for
external modulator)
0 dBm to –7 dBm
0.1 dB
Vision modulator
Vision carrier (double-
sideband modulation)
32 MHz to 46 MHz
10 kHz
Residual carrier
(negative modulation)
0% to 30%
0.1%
Modulator balance
–50% to +50
1
Average level (offset)
–50% to +50%
1%
Sound 1 modulator
Internal AF
0.03 kHz to 15 kHz
10 Hz
Deviation (15 kHz)
0 kHz to 100 kHz
10 Hz
Carrier frequency
|f
vc
–f
s
|
≤
7 MHz
1 kHz or
1 Hz
Carrier level
–6 dB to –34 dB
0.1 dB
Preemphasis
50 ms/75 ms/off
–
Sound 2 modulator
(FM)
Internal AF
0.03 kHz to 15 kHz
10 Hz
Deviation (15 kHz)
0 kHz to 100 kHz
10 Hz
Carrier frequency
|f
vc
–f
s
|
≤
7 MHz
1 kHz or
1 Hz
Carrier level
–10 to –38 dB
0.1 dB
Preemphasis
50 ms/75 ms/off
–
Parameter
Setting range
Step width
Sound 2 modulator
(AM)
Internal AF
0.03 kHz to 15 kHz
10 Hz
Modulation depth
0% to 100%
0.1%
Carrier frequency
|f
vc
–f
s
|
≤
7 MHz
1 kHz or
1 Hz
Carrier level
–10 dB to –38 dB
0.1 dB
Stereo/dual-sound coder
Pilot carrier
50 kHz to 60 kHz
10 Hz
Pilot deviation
1 kHz to 4 kHz
100 Hz
Pilot modulation frequency
IRT
117.5 Hz/
0.1 Hz
274.1 Hz
±20 Hz
Korea
149.9 Hz/
0.1 Hz
276 Hz
±20 Hz
Pilot modulation depth
0% to 90%
0.1%
NICAM generator
Internal AF (L)
0 kHz to 15 kHz
20 Hz
Internal AF (R)
0 kHz to 15 kHz
20 Hz
Headroom L (400 Hz)
Preemphasis (J17)
On
16.5 dB to 60 dB
0.1 dB
Off
0 dB to 60 dB
0.1 dB
Headroom R (400 Hz)
Preemphasis (J17)
On
16.5 dB to 60 dB
0.1 dB
Off
0 dB to 60 dB
0.1 dB
Check bits 3 and 4
00 to 11
binary
(2 bits)
Additional data
000 0000 0000 to
binary
111 1111 1111
(11 bits)
NICAM modulator
BER
2 × 10
-3
to 1.2 × 10
-7
–
Carrier frequency
32.348 MHz/
1 kHz or
33.05 MHz
1 Hz
±200 kHz
Intercarrier frequency
Standard B/G, I
5.0 MHz to 9.0 MHz
1 kHz or
1 Hz
Standard L/L‘
5.85 MHz
1 kHz or
±200 kHz
1 Hz
Carrier level
–13 dB to –40 dB
0.1 dB
All vision and sound carriers can be separately switched on and off.
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